Or trust the online iCloud Backup.
Whilst setting up the iPad, choose the secondary iCloud Account.
Afterwards, goto Settings > iTunes & App Stores
and change the Account to purchase Apps manually to the primary iCloud Account.
Use the secondary iCloud account to sync
In Settings > Mail, Contacts, Calendard > Add Account...
choose Other > Add CalDAV Account
.
In order to sync more than one calendar, head over to this site to customize your sync settings.
Brightness & Wallpaper
turn off Auto-Brightness
iCloud > Storage & Backup > Manage Storage > $DeviceName
disable Camera Roll
BackupsNotifications > Outbank
disable Badge Icon, Sounds and Lock ScreenDo Not Disturb
enable Silence: Always